患者，男，５６岁。３年前因左肺肿瘤在北京某医院行肺段切除术，病理诊断为肺腺癌。近３个月来，感左季肋区胀痛不适来本院就诊，查体于左肋缘下３ｃｍ可及儿头大小肿物，质地硬韧，表面光滑，活动度小，无明显触痛。Ｂ超检查：在脾脏内侧探及一１２０ｃｍ×１００ｃ... Patient, male, 56 years old. 3 years ago due to left lung tumor in a Beijing hospital lung segment resection, pathological diagnosis of lung adenocarcinoma. In the past 3 months, the patient felt discomfort in the left quagmire region and came to the hospital. He was diagnosed with a 3cm subcostal mass in the left costal area. The texture was tough and tough, the surface was smooth, the activity was small, and there was no obvious tenderness. . B-ultrasonic examination: in the spleen to explore a 120cm×100c...